Re: [PATCH v9 0/9] Register Type-C mode-switch in DP bridge endpoints

From: Lyude Paul
Date: Mon Jan 30 2023 - 18:11:31 EST


Don't know if this still needs reviews from me (feel free to respond if it
does!), but I wanted to say nice work! This is something I've wanted to see
added to DRM for a while ♥


On Mon, 2023-01-09 at 16:40 +0800, Pin-yen Lin wrote:
> This series introduces bindings for anx7625/it6505 to register Type-C
> mode-switch in their output endpoints, and use data-lanes property to
> describe the pin connections.
>
> The first two patch modifies fwnode_graph_devcon_matches and
> cros_typec_init_ports to enable the registration of the switches.
>
> Patch 4~6 introduce the bindings for anx7625 and the corresponding driver
> modifications.
>
> Patch 7~9 add similar bindings and driver changes for it6505.
>
> v7: https://lore.kernel.org/all/20230105132457.4125372-1-treapking@xxxxxxxxxxxx/
> v6: https://lore.kernel.org/all/20221124102056.393220-1-treapking@xxxxxxxxxxxx/
> v5: https://lore.kernel.org/linux-usb/20220622173605.1168416-1-pmalani@xxxxxxxxxxxx/
>
> Changes in v9:
> - Collected Reviewed-by tag
> - Fixed subject prefix again
> - Changed the naming of the example node for it6505
>
> Changes in v8:
> - Fixed the build issue when CONFIG_TYPEC=m
> - Fixed some style issues
> - Fixed the subject prefixes for the bindings patch
> - Fixed the bindings for data-lanes properties
>
> Changes in v7:
> - Fix the long comment lines
> - Extracted the common codes to a helper function
> - Fixed style issues in anx7625 driver
> - Removed DT property validation in anx7625 driver.
> - Fixed style issues in it6505 driver
> - Removed the redundant sleep in it6505 driver
> - Removed DT property validation in it6505 driver
> - Rebased to drm-misc-next
> - Fixed indentations in bindings patches
> - Added a new patch to fix indentations in Kconfig
>
> Changes in v6:
> - Changed it6505_typec_mux_set callback function to accommodate with
> the latest drm-misc patches
> - Changed the driver implementation to accommodate with the new binding
> - Dropped typec-switch binding and use endpoints and data-lanes properties
> to describe the pin connections
> - Added new patches (patch 1,2,4) to fix probing issues
> - Changed the bindings of it6505/anx7625 and modified the drivers
> accordingly
> - Merged it6505/anx7625 driver changes into a single patch
>
> Pin-yen Lin (7):
> drm/display: Add Type-C switch helpers
> dt-bindings: display: bridge: anx7625: Add mode-switch support
> drm/bridge: anx7625: Check for Type-C during panel registration
> drm/bridge: anx7625: Register Type C mode switches
> dt-bindings: display: bridge: it6505: Add mode-switch support
> drm/bridge: it6505: Fix Kconfig indentation
> drm/bridge: it6505: Register Type C mode switches
>
> Prashant Malani (2):
> device property: Add remote endpoint to devcon matcher
> platform/chrome: cros_ec_typec: Purge blocking switch devlinks
>
> .../display/bridge/analogix,anx7625.yaml | 99 ++++++++++++-
> .../bindings/display/bridge/ite,it6505.yaml | 93 ++++++++++--
> drivers/base/property.c | 15 ++
> drivers/gpu/drm/bridge/Kconfig | 21 +--
> drivers/gpu/drm/bridge/analogix/Kconfig | 1 +
> drivers/gpu/drm/bridge/analogix/anx7625.c | 101 +++++++++++++-
> drivers/gpu/drm/bridge/analogix/anx7625.h | 13 ++
> drivers/gpu/drm/bridge/ite-it6505.c | 119 +++++++++++++++-
> drivers/gpu/drm/display/drm_dp_helper.c | 132 ++++++++++++++++++
> drivers/platform/chrome/cros_ec_typec.c | 10 ++
> include/drm/display/drm_dp_helper.h | 16 +++
> 11 files changed, 591 insertions(+), 29 deletions(-)
>

--
Cheers,
Lyude Paul (she/her)
Software Engineer at Red Hat